WATCH: Drone Pollinators May Be Headed to a Field Near You

Humans rely heavily on pollinator bees to sustain food production globally. But for decades, the insects' population has declined, in part because of pesticide use. If the die-off continues, it will have huge economic and public health consequences for people. William Brangham reports on groups that are working on innovative ways to save the world’s jeopardized bee population -- or supplement it.

This story was originally published on PBS Newshour.